6. Which of the following best summarizes the author's purpose for writing this article?
A The author is trying to warn readers about the risks
of excessive cell phone usage.
OB The author is trying to challenge a widely accepted
view that cell phone are harmless.
C The author wants to persuade university leaders to
adopt policies that regulate cell phone usage on
college campuses.
OD The author wants to express a neutral report about
recent findings related to cell phone addiction.